

After a car accident, a Korean dad and daughter switch bodies. They decide to switch lives as well and not tell mom/wife. Dad goes to high school and Do-yeon to her dad's office. They become close again.

The Danggun myth tells of twin Asiatic Bear brothers, managed by the Pro-North Korean Institute of Technology, who disappeared after eating garlic and mugwort.

The heartwarming movie is about grandpas in their 70s that are young at heart, whose stories will allow the viewers to take a glimpse into their mindset of those who had lived their entire lives for the family.